챠트 데이터 웹소켓으로 연결

backend/app/api/endpoints/recommendations.py

@@ -605,11 +605,22 @@ async def execute_auto_trading(db: AsyncSession = Depends(get_db)):
         total_processed = 0
         max_trades = 5
         
-        for rule_group in recommendations_response["recommendations_by_rule"]:
+        # make sure we iterate a list of rule group dicts
+        rec_groups = recommendations_response.get("recommendations_by_rule", [])
+        if isinstance(rec_groups, dict):
+            normalized = []
+            for name, grp in rec_groups.items():
+                if isinstance(grp, dict):
+                    normalized.append(grp)
+                else:
+                    normalized.append({"rule_name": name, "stocks": grp})
+            rec_groups = normalized
+
+        for rule_group in rec_groups:
             if total_processed >= max_trades:
                 break
                 
-            for stock in rule_group["stocks"][:settings.AUTO_TRADE_TOP_N_PER_RULE]:
+            for stock in rule_group.get("stocks", [])[:settings.AUTO_TRADE_TOP_N_PER_RULE]:
                 if total_processed >= max_trades:
                     break